djvu | c89f1531e92f7dd506268fb8d10405b4ae859cfb38d3e536fe06ef1cf8c82b03

General

Target

c89f1531e92f7dd506268fb8d10405b4ae859cfb38d3e536fe06ef1cf8c82b03
Size

703KB
Sample

230214-dvzbpahg5x
MD5

73377a166e89a7ace05b7d18ddd84208
SHA1

f5b5ba6f216a749cb7bd35468599a398ebd7a916
SHA256

c89f1531e92f7dd506268fb8d10405b4ae859cfb38d3e536fe06ef1cf8c82b03
SHA512

21d4cecce2e111bbefa95ecf71c337fbc581a4fbacb3342bbe5bba7d01c813fc8a8db230105cfb39ff0faa382fa7e5840a7dbe2633e1d6a5608aafada0975918
SSDEEP

12288:nFKRm8MyqYWI9UkeqL7xp8NHQUFLMsPL4x0CUp/u9Bw3L2fJKZPUr:nFGMyZrjxpIBKsPLa0CUM9Bw3L2P

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

http://bihsy.com/test2/get.php

Attributes

extension
.hhee
offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
payload_url
http://uaery.top/dl/build2.exe

http://bihsy.com/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-UQkYLBSiQ4 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0647JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.5

Botnet

19

Attributes

profile_id
19

Targets

- Target
  
  c89f1531e92f7dd506268fb8d10405b4ae859cfb38d3e536fe06ef1cf8c82b03
- Size
  
  703KB
- MD5
  
  73377a166e89a7ace05b7d18ddd84208
- SHA1
  
  f5b5ba6f216a749cb7bd35468599a398ebd7a916
- SHA256
  
  c89f1531e92f7dd506268fb8d10405b4ae859cfb38d3e536fe06ef1cf8c82b03
- SHA512
  
  21d4cecce2e111bbefa95ecf71c337fbc581a4fbacb3342bbe5bba7d01c813fc8a8db230105cfb39ff0faa382fa7e5840a7dbe2633e1d6a5608aafada0975918
- SSDEEP
  
  12288:nFKRm8MyqYWI9UkeqL7xp8NHQUFLMsPL4x0CUp/u9Bw3L2fJKZPUr:nFGMyZrjxpIBKsPLa0CUM9Bw3L2P
Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1